I was diagnosed with renal cancer 3 years ago, fortunately I had surgery and was given the all clear. I've been trialing a drug ever since called sorafenib and touch wood I've done ok . I had a scan at the end of last year and was told in January that the scan looked ok........BUT..........they were a bit concerned about my retro-crural node (haven't a clue but alledgely its in my chest) has grown by 0.5cm since my last…